Diagnostic Trouble Code Tests and Associated Procedures
DTC Priority Table B1231 - B1870:
DTC Priority Table B1891 - C1947:
DTC Priority Table C1948 - C1981:
While the Lamp Fault Codes (LFCs) are an indication of a general concern in the passive restraints system, the Diagnostic Trouble Codes (DTCs) are more specific. The DTCs can be retrieved from the Restraints Control Module (RCM) with a scan tool via the Data Link Connector (DLC).